Home / 57,038.10-85,571.73-21,968.34

Finding the Fourth Proportional to 57,038.10, 85,571.73 and 21,968.34

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Solution

The fourth proportional to 57,038.10, 85,571.73 and 21,968.34 is: 32,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.10 : 85,571.73 = 21,968.34 : x
  2. Step 2: Convert to fraction form
    57,038.10/85,571.73 = 21,968.34/x
  3. Step 3: Cross multiply
    57,038.10x = 85,571.73 × 21,968.34
  4. Step 4: Simplify right side
    57,038.10x = 1,879,868,859.03
  5. Step 5: Solve for x
    x = 1,879,868,859.03/57,038.10
  6. Step 6: Final answer
    x = 32,958.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.